您可以利用的谷歌播放的Alpha / Beta测试，让你邀请的人无论是谷歌集团或Google+的社区，只有这些人可以从谷歌应用程序中播放。这样，你可以切断会员一旦你打了一定数量的人（注意，如果您使用的是Google+的社区，你要确保你把它公开 - 主持人批准加入或私营），然后重新启动，一旦你'已经扩大了。

You could utilize Google Play Alpha/Beta testing which allows you to invite people to either a Google Group or Google+ Community and only those people can download your application from Google Play. That way you could cut off membership once you've hit a certain number of people (note that if you are using a Google+ Community, you want to make sure you make it Public - Moderator approval to join or Private) and then restart once you've scaled up.

不过，如果你正在做一个传统的生产你的应用程序的发布则没有办法来限制多少人下载你的应用程序。

However, if you are doing a traditional production publish of your app then there is no way to limit the number of people downloading your application.